Allow Router to use owner as context, to better support inline definition.

Enyo-DCO-1.1-Signed-Off-By: Gray Norton (gray.norton@lge.com)
Merge pull request #864 from enyojs/ENYO-272

Fix for: ENYO-272

Looks good!

Reviewed-By: Cole Davis (cole.davis@lge.com)
Integrated-By: Aaron Tam (aaron.tam@lge.com)